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参数资料
| 型号： | MAX15032ATA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/10页 |
| 文件大小： | 0K |
| 描述： | IC REG BOOST ADJ 1A 8TDFN-EP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 6.6 V ~ 36 V |
| 输入电压： | 2.7 V ~ 11 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 500kHz |
| 电流 - 输出： | 1A |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-WDFN 裸露焊盘 |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 8-TDFN-EP（3x3） |
500kHz, 36V Output, 600mW PWM
Step-Up DC-DC Converter
Pin Description
PIN
1
2
3
4
5
6
7
8
—
FB
NAME
LX
GND
FB
SHDN
IN
CN
CP
PGND
EP
-A
FUNCTION
Drain of Internal 40V n-Channel DMOS. Connect inductor/diode to LX. Minimize trace area at LX to
reduce switching noise emission.
Signal Ground. Connect directly to the local ground plane. Connect GND to PGND at a single point,
typically near the output capacitor return terminal.
Feedback Regulation Point. Connect to the center tap of a resistive divider from the output (V OUT ) to
GND to set the output voltage. The FB voltage regulates to 1.245V (typ).
Active-Low Shutdown Control Input. A logic-low voltage on SHDN shuts down the device and reduces
the supply current to 0.5μA (max). Connect SHDN to IN for always-on operation. Do not connect
SHDN to a voltage higher than V IN .
Input Supply Voltage. Bypass IN to PGND with a 4.7μF minimum ceramic capacitor.
Negative Terminal of the Charge-Pump Flying Capacitor for 2.7V to 5.5V Supply Voltage Operation.
Leave CN unconnected when the input voltage is in the +5.5V to +11V range.
Positive Terminal of the Charge-Pump Flying Capacitor for 2.7V to 5.5V Supply Voltage Operation.
Connect to IN when the input voltage is in the +5.5V to +11V range.
Power Ground. Connect the input and output filter capacitors’ negative terminal to PGND. Connect
externally to GND at a single point, typically at the output capacitor return terminal.
Exposed Pad. Connect EP to a large copper plane at the GND potential to improve thermal
dissipation. Do not use as the main GND connection.
Functional Diagram
V REF
+A
LX
GND
-C
+C
SOFT-
START
SWITCH
CONTROL
LOGIC
N
PGND
SWITCH
CURRENT
SENSE
CLK
V REF
CN
CHARGE
CP
IN
PUMP
(DOUBLER)
OSCILLATOR
500kHz
BIAS AND
REFERENCE
THERMAL
SHUTDOWN
MAX15032
UVLO
SHDN
6
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